Quick Reference ~ A maths Dictionary for Kids by Jenny Eather Email jeather@iprimus.com.au A Maths Dictionary for Kids by Jenny Eather at www.amathsdictionaryforkids.com


Ee

empty set

• a set containing nothing, no elements or members.
• an empty set has a cardinal number of 0.
• may be indicated by a Ø or { }.

EXAMPLES:
empty set


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